Multiple Choice
NaCl is the chemical formula for which compound?
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3. Chemical Reactions
Naming Ionic Compounds
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What is the correct name for BaCl_2?
A
Barium chloride
B
Barium dichloride
C
Barium(II) chloride
D
Barium chlorate
Verified step by step guidance1
Identify the elements in the compound BaCl_2: Ba is barium, a metal, and Cl is chlorine, a nonmetal.
Recognize that BaCl_2 is an ionic compound formed between a metal (barium) and a nonmetal (chlorine).
Determine the charge on the barium ion: Barium is in group 2, so it forms a Ba^{2+} ion.
Determine the charge on the chloride ion: Chlorine forms Cl^{-} ions, and since there are two chloride ions, the formula is BaCl_2.
Name the compound by stating the metal name first (barium) followed by the nonmetal with the suffix '-ide' (chloride), resulting in 'barium chloride'.
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